/Engine/Source/Developer/Localization/Public/Serialization/JsonInternationalizationMetadataSerializer.h
Utility function that will convert metadata to string using the JSON metadata serializers.
static [FString](API\Runtime\Core\Containers\FString) MetadataToString ( const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FLocMetadataObject](API\Runtime\Core\Internationalization\FLocMetadataObject) > Metadata )